Home / 93,101.18-128,480.20-50,659.98

Finding the Fourth Proportional to 93,101.18, 128,480.20 and 50,659.98

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Solution

The fourth proportional to 93,101.18, 128,480.20 and 50,659.98 is: 69,911.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,101.18 : 128,480.20 = 50,659.98 : x
  2. Step 2: Convert to fraction form
    93,101.18/128,480.20 = 50,659.98/x
  3. Step 3: Cross multiply
    93,101.18x = 128,480.20 × 50,659.98
  4. Step 4: Simplify right side
    93,101.18x = 6,508,804,362.40
  5. Step 5: Solve for x
    x = 6,508,804,362.40/93,101.18
  6. Step 6: Final answer
    x = 69,911.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.